<link rel="stylesheet" href="/css/bootstrap.min.css" type="text/css" />
<nav class="navbar navbar-default" role="navigation">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <a class="navbar-brand">Infobird</a>
    </div>
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">
        <li class="active"><a href="#">客户信息</a></li>
        <li><a href="#">客户跟踪信息</a></li>
        <li><a href="#">导入客户信息</a></li>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>